--- ray/src/px/vgaimage.c	1993/03/30 11:37:54	2.6
+++ ray/src/px/vgaimage.c	2003/02/22 02:07:28	2.10
@@ -1,9 +1,6 @@
-/* Copyright (c) 1993 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: vgaimage.c,v 2.10 2003/02/22 02:07:28 greg Exp $";
 #endif
-
 /*
  *  vgaimage.c - driver for VGA board under DOS
  */
@@ -86,7 +83,7 @@ char  *argv[];
 	int  i;
 
 	progname = argv[0] = fixargv0(argv[0]);
-	if ((gv = getenv("GAMMA")) != NULL)
+	if ((gv = getenv("DISPLAY_GAMMA")) != NULL)
 		gamcor = atof(gv);
 
 	for (i = 1; i < argc; i++)
@@ -147,6 +144,7 @@ userr:
 }
 
 
+int
 headline(s)		/* get relevant info from header */
 char  *s;
 {
@@ -158,6 +156,7 @@ char  *s;
 		formatval(fmt, s);
 		wrongformat = strcmp(fmt, COLRFMT);
 	}
+	return(0);
 }
 
 
@@ -379,7 +378,7 @@ setpalette()			/* set our palette using clrtab */
 	cvals[ourblack] = _BLACK;
 	cvals[ourwhite] = _BRIGHTWHITE;
 	for (i = 0; i < maxcolors; i++)
-		cvals[i+minpix] = clrtab[i][BLU]<<14 & 0x3f0000L |
+		cvals[i+minpix] = (long)clrtab[i][BLU]<<14 & 0x3f0000L |
 				  clrtab[i][GRN]<<6 & 0x3f00 |
 				  clrtab[i][RED]>>2;
 	_remapallpalette(cvals);